The BC Coroners Service has confirmed that two male victims were killed in a major head on collision that closed the Sea-to-Sky for seven hours just north of Squamish on Tuesday night.

A spokesperson said that the investigation is still in its early stages and no further details are currently available.

RCMP Const. Mike Halskov said that the crash occurred when a northbound pickup truck cross over the centre line and collided with a southbound minivan just before 7:30 p.m.

Police and emergency services arrived on scene to find the driver of one minivan and one passenger dead, Halskov said.

Four minivan passengers suffered minor to serious injuries and one remains in hospital with life threatening injuries.

BC Emergency Health Services said that six ambulances and four helicopters responded.

Halfkov said that next of kin have been notified but that no names will be released. All those involved were adults from the Lower Mainland.

The RCMP Integrated Collision Analysis and Reconstruction Service and Squamish RCMP are continuing to investigate the cause of the collision.

JUST IN: @BC_EHS says six ambulances and two helicopters responded to Tuesday night's head on collision on the Sea-to-Sky just north of Squamish. Six patients were taken to hospital – four in critical condition, two in serious condition. STORY: https://t.co/dCJkIdwbtm